[INFO] fetching crate completion 0.2.1...
[INFO] checking completion-0.2.1 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate completion 0.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate completion 0.2.1 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate completion 0.2.1
[INFO] finished tweaking crates.io crate completion 0.2.1
[INFO] tweaked toml for crates.io crate completion 0.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3e9c903a56e5b09a2cbd7314e137b0eae979a7e96dbda3c9896a9437ad9d93a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f3e9c903a56e5b09a2cbd7314e137b0eae979a7e96dbda3c9896a9437ad9d93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3e9c903a56e5b09a2cbd7314e137b0eae979a7e96dbda3c9896a9437ad9d93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e9c903a56e5b09a2cbd7314e137b0eae979a7e96dbda3c9896a9437ad9d93a", kill_on_drop: false }`
[INFO] [stdout] f3e9c903a56e5b09a2cbd7314e137b0eae979a7e96dbda3c9896a9437ad9d93a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ec8ebf906a7dd846de48bcd69d77920c49690abc43ff9b532624edb1f5ccb16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ec8ebf906a7dd846de48bcd69d77920c49690abc43ff9b532624edb1f5ccb16", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling completion v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking completion-core v0.2.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking completion-io v0.2.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling completion-macro v0.2.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.16s
[INFO] running `Command { std: "docker" "inspect" "0ec8ebf906a7dd846de48bcd69d77920c49690abc43ff9b532624edb1f5ccb16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ec8ebf906a7dd846de48bcd69d77920c49690abc43ff9b532624edb1f5ccb16", kill_on_drop: false }`
[INFO] [stdout] 0ec8ebf906a7dd846de48bcd69d77920c49690abc43ff9b532624edb1f5ccb16